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🛠️ Elevate your cylinder finish game — don’t settle for less than perfect!
The Brush Research BC78400AO Flex-Hone® is a premium 7/8" diameter honing tool featuring 400 grit aluminum oxide abrasive, engineered for precision finishing and deburring of aluminum, brass, bronze, and other soft non-ferrous materials. Its patented oversized, self-centering design delivers consistent crosshatch finishes that enhance oil retention and seal longevity, making it ideal for hydraulic, pneumatic, and engine cylinders. Proudly made in the USA, this tool streamlines maintenance and rebuilds with professional-grade results.

| ASIN | B002T01VTI |
| Best Sellers Rank | #30,971 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #12 in Flex Hones |
| Brand | Flex-Hone |
| Brand Name | Flex-Hone |
| Bristle Type | Abrasive Globule Bonded To Flexible Nylon Filament |
| Compatible Material | Aluminum, Brass, Bronze, Nikasil Cylinders, Softer Non-Ferrous Materials |
| Customer Reviews | 4.5 out of 5 stars 35 Reviews |
| Global Trade Identification Number | 00843469130907 |
| Grit Material | Aluminum Oxide |
| Grit Material Type | Aluminum Oxide |
| Grit Number | 400 |
| Grit Type | 400 Grit |
| Included Components | FLEX-HONE® Tool |
| Item Diameter | 0.88 inches |
| Item Dimensions | 8 x 0.88 x 0.04 inches |
| Item Dimensions L x W | 8"L x 0.88"W |
| Item Weight | 2.08 ounces |
| Manufacturer | Brush Research Manufacturing |
| Material | Aluminum Oxide |
| Material Type | Aluminum Oxide |
| Model | BC78400AO |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Part Number | BC78400AO |
| Product Dimensions | 8"L x 0.88"W |
| Recommended Uses For Product | Deburring, Finishing |
| UPC | 843469130907 |
| Unit Count | 1 Count |
| Warranty Description | Manufacturer Warranty |
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